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Message-Id: <20231212164004.1683589-4-ninad@linux.ibm.com>
Date: Tue, 12 Dec 2023 10:39:59 -0600
From: Ninad Palsule <ninad@...ux.ibm.com>
To: robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org, joel@....id.au, andrew@...econstruct.com.au,
peterhuewe@....de, jarkko@...nel.org, jgg@...pe.ca,
keescook@...omium.org, tony.luck@...el.com, gpiccoli@...lia.com,
ninad@...ux.ibm.com, johannes.holland@...ineon.com,
linux@...ck-us.net, broonie@...nel.org
Cc: Andrew Geissler <geissonator@...oo.com>,
patrick.rudolph@...ements.com, vincent@...emblay.dev,
peteryin.openbmc@...il.com, lakshmiy@...ibm.com,
bhelgaas@...gle.com, naresh.solanki@...ements.com,
alexander.stein@...tq-group.com, festevam@...x.de,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
linux-integrity@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: [PATCH v1 3/8] ARM: dts: aspeed: System1: IBM system1 BMC board
From: Andrew Geissler <geissonator@...oo.com>
Add a device tree for IBM system1 BMC board. It uses AST2600 SOC.
Tested:
This board is tested using the simics simulator.
Signed-off-by: Andrew Geissler <geissonator@...oo.com>
Signed-off-by: Ninad Palsule <ninad@...ux.ibm.com>
---
arch/arm/boot/dts/aspeed/Makefile | 1 +
.../dts/aspeed/aspeed-bmc-ibm-system1.dts | 188 ++++++++++++++++++
2 files changed, 189 insertions(+)
create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
diff --git a/arch/arm/boot/dts/aspeed/Makefile b/arch/arm/boot/dts/aspeed/Makefile
index 3e3e6b96cb79..6f7ed11978ff 100644
--- a/arch/arm/boot/dts/aspeed/Makefile
+++ b/arch/arm/boot/dts/aspeed/Makefile
@@ -35,6 +35,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-bmc-ibm-rainier.dtb \
aspeed-bmc-ibm-rainier-1s4u.dtb \
aspeed-bmc-ibm-rainier-4u.dtb \
+ aspeed-bmc-ibm-system1.dtb \
aspeed-bmc-intel-s2600wf.dtb \
aspeed-bmc-inspur-fp5280g2.dtb \
aspeed-bmc-inspur-nf5280m6.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
new file mode 100644
index 000000000000..01291b407f59
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2023 IBM Corp.
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/i2c/i2c.h>
+#include <dt-bindings/leds/leds-pca955x.h>
+
+/ {
+ model = "System1";
+ compatible = "ibm,system1-bmc", "aspeed,ast2600";
+
+ chosen {
+ stdout-path = &uart5;
+ bootargs = "console=ttyS4,115200n8 earlycon";
+ };
+
+ memory@...00000 {
+ device_type = "memory";
+ reg = <0x80000000 0x40000000>;
+ };
+
+ reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ event_log: tcg_event_log@...00000 {
+ no-map;
+ reg = <0xb3d00000 0x100000>;
+ };
+
+ ramoops@...00000 {
+ compatible = "ramoops";
+ reg = <0xb3e00000 0x200000>; /* 16 * (4 * 0x8000) */
+ record-size = <0x8000>;
+ console-size = <0x8000>;
+ ftrace-size = <0x8000>;
+ pmsg-size = <0x8000>;
+ max-reason = <3>; /* KMSG_DUMP_EMERG */
+ };
+
+ /* LPC FW cycle bridge region requires natural alignment */
+ flash_memory: region@...00000 {
+ no-map;
+ reg = <0xb4000000 0x04000000>; /* 64M */
+ };
+
+ /* VGA region is dictated by hardware strapping */
+ vga_memory: region@...00000 {
+ no-map;
+ compatible = "shared-dma-pool";
+ reg = <0xbf000000 0x01000000>; /* 16M */
+ };
+ };
+};
+
+&adc1 {
+ status = "okay";
+ aspeed,int-vref-microvolt = <2500000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_adc8_default
+ &pinctrl_adc9_default
+ &pinctrl_adc10_default
+ &pinctrl_adc11_default
+ &pinctrl_adc12_default
+ &pinctrl_adc13_default
+ &pinctrl_adc14_default
+ &pinctrl_adc15_default>;
+};
+
+&ehci1 {
+ status = "okay";
+};
+
+&uhci {
+ status = "okay";
+};
+
+&gpio0 {
+ gpio-line-names =
+ /*A0-A7*/ "","","","","","","","",
+ /*B0-B7*/ "","","","","","","","",
+ /*C0-C7*/ "","","","","","","","",
+ /*D0-D7*/ "","","","","","","","",
+ /*E0-E7*/ "","","","","","","","",
+ /*F0-F7*/ "","","","","","","","",
+ /*G0-G7*/ "","","","","","","","",
+ /*H0-H7*/ "","","","","","","","",
+ /*I0-I7*/ "","","","","","","","",
+ /*J0-J7*/ "","","","","","","","",
+ /*K0-K7*/ "","","","","","","","",
+ /*L0-L7*/ "","","","","","","","",
+ /*M0-M7*/ "","","","","","","","",
+ /*N0-N7*/ "","","","","","","","",
+ /*O0-O7*/ "","","","","","","","",
+ /*P0-P7*/ "","","","","","","","",
+ /*Q0-Q7*/ "","","","","","","","",
+ /*R0-R7*/ "","","","","","","","",
+ /*S0-S7*/ "","","","","","","","",
+ /*T0-T7*/ "","","","","","","","",
+ /*U0-U7*/ "","","","","","","","",
+ /*V0-V7*/ "","","","power-chassis-control","","","","",
+ /*W0-W7*/ "","","","","","","","",
+ /*X0-X7*/ "","power-chassis-good","","","","","","",
+ /*Y0-Y7*/ "","","","","","","","",
+ /*Z0-Z7*/ "","","","","","","","";
+};
+
+&emmc_controller {
+ status = "okay";
+};
+
+&pinctrl_emmc_default {
+ bias-disable;
+};
+
+&emmc {
+ status = "okay";
+ clk-phase-mmc-hs200 = <180>, <180>;
+};
+
+&ibt {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&vuart1 {
+ status = "okay";
+};
+
+&vuart2 {
+ status = "okay";
+};
+
+&lpc_ctrl {
+ status = "okay";
+ memory-region = <&flash_memory>;
+};
+
+&mac2 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rmii3_default>;
+ clocks = <&syscon ASPEED_CLK_GATE_MAC3CLK>,
+ <&syscon ASPEED_CLK_MAC3RCLK>;
+ clock-names = "MACCLK", "RCLK";
+ use-ncsi;
+};
+
+&mac3 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rmii4_default>;
+ clocks = <&syscon ASPEED_CLK_GATE_MAC4CLK>,
+ <&syscon ASPEED_CLK_MAC4RCLK>;
+ clock-names = "MACCLK", "RCLK";
+ use-ncsi;
+};
+
+&wdt1 {
+ aspeed,reset-type = "none";
+ aspeed,external-signal;
+ aspeed,ext-push-pull;
+ aspeed,ext-active-high;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdtrst1_default>;
+};
+
+&wdt2 {
+ status = "okay";
+};
+
+&kcs2 {
+ status = "okay";
+ aspeed,lpc-io-reg = <0xca8 0xcac>;
+};
+
+&kcs3 {
+ status = "okay";
+ aspeed,lpc-io-reg = <0xca2>;
+ aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+};
--
2.39.2
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